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From Volney Rattan to Asa Gray   29 March 1880

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Summary

Germination of Megarrhiza.

Author:  Volney Rattan
Addressee:  Asa Gray
Date:  29 Mar 1880
Classmark:  DAR 209.6: 206
Letter no:  DCP-LETT-12553

From Asa Gray to Francis Darwin   17 December 1880

Summary

Roots arising from stems and shoots of brambles.

Author:  Asa Gray
Addressee:  Francis Darwin
Date:  17 Dec 1880
Classmark:  DAR 165: 202
Letter no:  DCP-LETT-12921

DCP-LETT-2653A

Summary

Origin reached AG at Christmas. Louis Agassiz cannot abide the book and has publicly denounced it as atheism. AG feels bound to defend the book and counter the "demagogue" Agassiz. Has written a long article to this end [Am. J. Sci. and Arts 2d ser. 29 (1860): 153–84].

Author:  Asa Gray
Addressee:  Francis Boott
Date:  16 Jan 1860
Classmark:  American Philosophical Society (Mss.B.D25.)
Letter no:  DCP-LETT-2653A

From Charles Wright to Asa Gray   20, 25, and 26 March and 1 April 1864

Summary

Describes the flower and mode of action of a particular orchid.

Has been examining Spiranthes and is experimenting to see whether insects are necessary for its fertilisation.

It seems that Oncidium is designed so as not to be fertilised.

Author:  Charles Wright
Addressee:  Asa Gray
Date:  20, 25 and 26 Mar 1864 and 1 Apr 1864
Classmark:  DAR 181: 163
Letter no:  DCP-LETT-4433

To Asa Gray   30 May [1875]

Summary

Wants seeds of Nesaea verticillata for crossing experiments to see whether seedlings from "illegitimate unions" are sterile like true hybrids.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  30 May [1875]
Classmark:  Archives of the Gray Herbarium, Harvard University (121)
Letter no:  DCP-LETT-10002

From Asa Gray   29 July 1875

Summary

Has received but not yet read Insectivorous plants.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  29 July 1875
Classmark:  DAR 165: 188
Letter no:  DCP-LETT-10099

From Asa Gray   28 December 1875

Summary

AG’s notices of Insectivorous plants [Nation 22 (1876): 12–14, 30–2]

and Climbing plants [2d ed., Am. J. Sci. 3d ser. 11 (1876): 69–74].

Use of flower peduncles for support in Maurandia. Transition from branches to tendrils.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  28 Dec 1875
Classmark:  DAR 165: 189
Letter no:  DCP-LETT-10329

To Asa Gray   28 January 1876

Summary

Thanks for reviews of Insectivorous plants and of Climbing plants in Nation and American Journal Science [see 10329].

AG’s essay on seed dispersal ["Burs in the borage family", Am. Nat. 10 (1876): 1–4].

Preparing book on advantages of crossing [Cross and self-fertilisation].

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  28 Jan 1876
Classmark:  Archives of the Gray Herbarium, Harvard University (111)
Letter no:  DCP-LETT-10370

To Asa Gray   9 August 1876

Summary

AG’s Darwiniana [1876].

Cross and self-fertilisation has now gone to press.

Is preparing new edition of Orchids.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  9 Aug 1876
Classmark:  Archives of the Gray Herbarium of Harvard University (112)
Letter no:  DCP-LETT-10575

From Asa Gray   12 October 1876

Summary

Would like sheets of Cross and self-fertilisation if it is not already out.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  12 Oct 1876
Classmark:  DAR 165: 190
Letter no:  DCP-LETT-10639

To Asa Gray   28 October 1876

Summary

Is sending sheets of Cross and self-fertilisation. He will be curious to see what AG thinks of it, as AG speaks the truth whether or not he approves. Is sick of trying to correct his "horrid bad style".

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  28 Oct 1876
Classmark:  Archives of the Gray Herbarium of Harvard University (113)
Letter no:  DCP-LETT-10656

To Asa Gray   4 [November 1876]

Summary

Sends some sheets [of Cross and self-fertilisation].

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  4 [Nov 1876]
Classmark:  Archives of the Gray Herbarium of Harvard University (130c)
Letter no:  DCP-LETT-10662

From Asa Gray   12 November 1876

Summary

Thanks for sheets of new book. Intends to talk about it at a scientific social club meeting.

Is amused to read CD’s criticisms of his own style, as in the U. S. it is spoken of as being as faultless as his temper. Corrects a reference.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  12 Nov 1876
Classmark:  DAR 165: 191
Letter no:  DCP-LETT-10668

To Asa Gray   27 November 1876

Summary

Thanks for a correction. Hopes AG now has all the sheets of Cross and self-fertilisation.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  27 Nov 1876
Classmark:  Archives of the Gray Herbarium of Harvard University (114)
Letter no:  DCP-LETT-10688

To Asa Gray   4 December 1876

Summary

Plans to republish his paper on dimorphism with additions [Forms of flowers]. Is convinced it is necessary to compare pollen-grains and the state of the stigma to recognise dimorphic plants. Requests specific plants to test for dimorphism and would welcome examples from any family in which he has not encountered dimorphic species.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  4 Dec 1876
Classmark:  Archives of the Gray Herbarium of Harvard University (115)
Letter no:  DCP-LETT-10697

From Asa Gray   5 December 1876

Summary

Dimorphism and cleistogamy in Hottonia.

AG wants new, unambiguous term for what is now referred to as "dimorphism", "dioecio-dimorphism", or "heterostyly"; proposes "heterogone".

Sends an excerpt from Bulletin of Torrey Botanical Club 2 (June 1871) on Hottonia inflata.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  5 Dec 1876
Classmark:  DAR 165: 192, DAR 111: A92
Letter no:  DCP-LETT-10699

To Asa Gray   20 December 1876

Summary

Thanks for information about Hottonia.

Has found dimorphism in Forsythia.

Considers AG’s arguments on different terms for dimorphism, but cannot change to using the proposed new term [see 10699].

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  20 Dec 1876
Classmark:  Archives of the Gray Herbarium of Harvard University (116)
Letter no:  DCP-LETT-10728

From Asa Gray   22 December 1876

Summary

Discusses some dimorphic plants.

Sends specimens of Rhamnus but his few specimens of Leucosmia are very poor.

Author:  Asa Gray
Addressee:  Charles Robert Darwin
Date:  22 Dec 1876
Classmark:  DAR 110: B36–7, B74–5
Letter no:  DCP-LETT-10731

To Asa Gray   3 January 1877

Summary

Asks AG not to send his rare specimens [of Leucosmia].

Is glad of the notice about black pigs.

Has great faith in Jeffries Wyman;

thinks A. R. Wallace founds his speculation on a feeble basis.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  3 Jan 1877
Classmark:  Gray Herbarium of Harvard University (118)
Letter no:  DCP-LETT-10768

To Asa Gray   23 January 1877

Summary

Thanks AG for card about Pontederia.

Asks for specimens of Phlox subulata and Gilia aggregata to check for dimorphism.

Author:  Charles Robert Darwin
Addressee:  Asa Gray
Date:  23 Jan 1877
Classmark:  Gray Herbarium of Harvard University (120)
Letter no:  DCP-LETT-10811
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